The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what’s true.
CARL SAGANScience is a way of thinking much more than it is a body of knowledge.
More Carl Sagan Quotes
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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
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If we ruin the earth, there is no place else to go.
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The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
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Across the sea of space, the stars are other suns.
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A galaxy is composed of gas and dust and stars – billions upon billions of stars. Every star may be a sun to someone.
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You are worth about 3 dollars worth in chemicals.
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Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history.
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And you are made of a hundred trillion cells. We are, each of us, a multitude.
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A book is made from a tree. It is an assemblage of flat, flexible parts (still called “leaves”) imprinted with dark pigmented squiggles.
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The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.
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Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.
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The significance of our lives and our fragile planet is then determined only by our own wisdom and courage.
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The Earth is the only world known so far to harbor life.
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Stars are phoenixes, rising from their own ashes.
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The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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Other things being equal, it is better to be smart than to be stupid.
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The universe is not required to be in perfect harmony with human ambition.
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Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
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One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.
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Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
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The Earth is a very small stage in a vast cosmic arena.
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We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good.
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One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.
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Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
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When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
CARL SAGAN